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the answer isn't larger, the answer would be compound. look into a higher-performance brake compound. i race miatas for fun and we do just fine with the small factory brakes, BLANK (not drilled/slotted) rotors, and a good pad/brake fluid. can do 30 minutes of continuous track time with no problem.

slotted/drilled rotors aren't needed. you're just getting rid of surface area/material that can help slow you down and dissipate heat. modern pad technology doesn't really have the same "gassing" issues as when drilled/slotted rotors were developed. if you like the look, cool. otherwise..


You don't want your brakes to build heat. Cooler brakes stop better. Brake fade happens when they get hot. If hot brakes stopped better NASCAR, INDY Formula 1 etc would not have cooling ducts running to the brakes.